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Page 113 <br /> 6.4.12 EXHIBIT L - Reclamation Costs <br /> Processinci Area and Decommissioninci: <br /> Raptor has estimated decommissioning costs for the Processing Area and Conveyor that <br /> will deliver mined material to that area. All plant and equipment in the processing area <br /> is portable and would have more value that the cost of loading and removing it. <br /> Decommissioning will involve the removal of concrete pads for processing equipment, <br /> concrete supports for truck scales and temporary buildings, and the conveyor <br /> infrastructure and belting. <br /> Three 12-inch-thick concrete pads are assumed in the processing area with dimensions <br /> 15- x 30-feet, 15- x 60-feet, and 15- x 25-feet. Demolition and removal costs are <br /> estimated at $1.70/sq.ft. for 12"concrete pads. <br /> The truck scale will have concrete supports with an estimated volume of 10 CY. <br /> Additionally temporary buildings for the scale house/site entrance area and processing <br /> area will have concrete support blocks with estimated at 8 CY of concrete. Estimated <br /> costs for the concrete supports is $65.00/CY. <br /> Concrete pads: 1,725 sq.ft. x $1.70/sq.ft. _ $ 2,932.50 <br /> Concrete supports: 18 CY x $65.00/CY = $ 1,170.00 <br /> The decommissioning cost estimate for the conveyor structure is based on previous <br /> estimates provided by Divide Construction for other Raptor (previously Varra) operations <br /> and presented in Financial Warranty estimates. The costs have been updated to current <br /> using US Army Corps of Engineers Civil Works Construction Cost Index System (CWCCIS) <br /> indices. <br /> The regular conveyor structure in 40-foot sections supported on concrete blocks is <br /> estimated to be 1,787± lin.ft. with an additional three extended span elevated truss <br /> sections 125-foot in length for crossing WCR296 and the Big Thompson River. <br /> Decommissioning costs for the regular conveyor structure is estimated at$ 8.75/lin.ft. and <br /> the extended spans at $ 18,270.00 each. <br /> Conveyor decommissioning: 1,787± lin.ft. x $ 8.75/lin.ft. _ $ 15,640.18 <br /> Conveyor extended spans: 3 x $ 18,270.00 each = $ 54,810.00 <br /> $ 74,552.68 Total Processing and Conveyor Decommissioning Cost <br /> VARRA COMPANIES, INC. TWO RIVERS SAND GRAVEL AND RESERVOIR PROJECT MARCH 2O22 <br /> A REGULAR IMPACT[1121 CONSTRUCTION PERMIT APPLICATION-COLORADO DIVISION OF RECLAMATION MINING&SAFETY <br /> OFFICE OF MINED LAND RECLAMATION <br />